Security readout for executives and security teams
CVE-2015-8558 is a QEMU USB emulation flaw that lets an administrator inside a guest VM consume host CPU through a malformed circular transfer descriptor list. The main business risk is availability impact on virtualization hosts, especially where guests are operated by untrusted tenants. Exposure is most relevant to QEMU-based virtualization where guest OS administrators are not fully trusted and EHCI USB emulation is available. Debian and Gentoo advisories indicate distribution packages were affected, but the bundle does not provide exact vulnerable version ranges. Handle through normal virtualization patch management, with higher urgency for multi-tenant or untrusted-guest environments. The risk is service disruption, not proven data theft or takeover based on the supplied evidence. Mitigation focus: Apply upstream QEMU or distribution security updates referenced by vendor advisories.; Check Debian, Gentoo, Red Hat, and QEMU guidance for affected package versions.; Prioritize shared virtualization hosts with untrusted or customer-controlled guest administrators..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2015-8558 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- [qemu-devel] 20151214 [PATCH] ehci: make idt processing more robustCVE reference · mailing-list, x_refsource_MLIST
- https://bugzilla.redhat.com/show_bug.cgi?id=1277983CVE reference · x_refsource_CONFIRM
- GLSA-201602-01CVE reference · vendor-advisory, x_refsource_GENTOO
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.